#include <iostream>

using namespace std;
//字符串型:用于表示一串字符

//C风格宁符串:char 变量名[] = "字符串值”
//C++风格字符串:string 变量名 = “字符串值”
int main() {
    char ch[] = "hello world!";
    cout << ch << endl;
    string str = "hello world!";
    cout << str << endl;
    return 0;
}